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Cogent Communications Holdings, Inc.

CCOI
Exchange
Nasdaq
Industry
Communications Services, NEC
SEC CIK
0001158324

In the last 90 days, Cogent Communications Holdings, Inc. insiders filed 0 open-market purchases and 2 sales; 224 institutions reported holding it in 13F filings for Q2 2026, worth $656.2M in total; no superinvestor holds it.

Open-market trades, last 90 days

Open-market purchases (P) and sales (S) by Cogent Communications Holdings, Inc. insiders, counted by Form 4 filing. Trades with a flagged price and duplicate filings are left out.

Open-market buys
0 filings
Open-market sells
2 filings
2 insiders, $67.5K in total
Insiders trading
2
Net value
−$67.5K
Purchases minus sales

Insider roster

Directors, officers and 10% owners who have filed a Form 4 for Cogent Communications Holdings, Inc., current and former, most recent filer first. Last reported holding is the position after the last non-derivative trade in their latest filing.

Insider roster for Cogent Communications Holdings, Inc.
NameTitleLast reported holdingLast filingFilings, past year
Kilmer Henry WVP OF NETWORK STRATEGY36,200Sep 15, 20266
Weed Thaddeus GerardVICE PRESIDENT, CFO193,050Sep 3, 20266
Howell Deneen CDirector32,330Jul 1, 20264
Brooks Steven DDirector58,693Jul 1, 20264
de Sa PaulDirector33,792Jul 1, 20264
Howard Eve NDirector27,306Jul 1, 20264
FERGUSON Lewis HDirector24,539Jun 30, 20267
Montagner MarcDirector99,842Jun 30, 20264
Kennedy Sheryl LynnDirector13,690Jun 30, 20267
Schaeffer DaveCHAIRMAN, CEO, AND PRESIDENT1,258,990IndirectMay 4, 20263
Chang John B.VP & CHIEF LEGAL OFFICER188,847Jan 5, 20262
Harris Mark AndrewVP & Chief Revenue Officer110,168Jan 5, 20261
Bubeck JamesCHIEF REVENUE OFFICER55,142Jun 6, 20250
Bath BlakeDirector12,606Mar 31, 20250
Kapp David AllenVP & CHIEF TECHNICAL OFFICER6,600Aug 14, 20230
O'Connor Greg WVP, CHIEF OPERATING OFFICER16,000May 3, 20230
Kummer Raymond BCTO Emeritus60,000Jan 4, 20230
Wallace Sean RobertVP, CFO & Treasurer29,225Mar 3, 20220
Katz CarolynDirector15,750Oct 1, 20210

Insider trades

Each row adds up one type of transaction in one Form 4 filing. Only open-market purchases (P) and sales (S) are shown by default; use the filters to see grants, option exercises and other codes.

Insider trades
Filed (ET)Trade dateFiling delayInsiderTransactionSharesAvg priceValueHolding changeFlags
Dec 1, 2023 (view filing)Dec 1Same daySchaeffer DaveCHAIRMAN, CEO, AND PRESIDENTSSale−36.6K$65.18−$2.39M−0.8%4.76M after
Dec 1, 2023 (view filing)Nov 301 daySchaeffer DaveCHAIRMAN, CEO, AND PRESIDENTSSale−3.40K$64.31−$218.4K−0.1%4.80M after
Nov 30, 2023 (view filing)Nov 30Same dayFERGUSON Lewis HDirectorSSale−950$64.60−$61.4K−5.3%16.9K after
Nov 27, 2023 (view filing)Nov 27Same dayKennedy Sheryl LynnDirectorSSale−925$65.77−$60.8K−9.4%8.96K after
Nov 21, 2023 (view filing)Nov 201 dayBath BlakeDirectorSSale−9.00K$67.14−$604.3K−46.6%10.3K after
Nov 17, 2023 (view filing)Nov 17Same dayBath BlakeDirectorSSale−8.62K$67.17−$579.1K−30.9%19.3K after
Nov 17, 2023 (view filing)Nov 161 dayBath BlakeDirectorSSale−379$67.00−$25.4K−1.3%27.9K after
Nov 16, 2023 (view filing)Nov 142 daysSchaeffer DaveCHAIRMAN, CEO, AND PRESIDENTSSale−40.0K$66.37−$2.65M−0.8%4.80M after
Nov 15, 2023 (view filing)Nov 141 dayMontagner MarcDirectorSSale−10.6K$65.83−$694.5K−13.7%66.7K after
Sep 18, 2023 (view filing)Sep 153 daysSchaeffer DaveCHAIRMAN, CEO, AND PRESIDENTSSale−18.2K$65.82−$1.20M−0.4%4.84M after
Sep 14, 2023 (view filing)Sep 12-132 daysSchaeffer DaveCHAIRMAN, CEO, AND PRESIDENTSSale−45.0K$66.87−$3.01M−0.9%4.86M after2 lots
Sep 12, 2023 (view filing)Sep 8-114 daysSchaeffer DaveCHAIRMAN, CEO, AND PRESIDENTSSale−45.0K$67.68−$3.05M−0.9%4.90M after2 lots
Sep 8, 2023 (view filing)Sep 71 dayKilmer Henry WVP OF NETWORK STRATEGYSSale−2.40K$69.16−$166.0K−7.1%31.2K after
Sep 5, 2023 (view filing)Sep 5Same dayWeed Thaddeus GerardVICE PRESIDENT, CFOSSale−4.85K$69.43−$336.7K−8.3%53.5K after
Sep 5, 2023 (view filing)Sep 14 daysBubeck JamesCHIEF REVENUE OFFICERSSale−1.92K$70.96−$136.2K−4.7%38.6K after10b5-1
Aug 29, 2023 (view filing)Aug 29Same dayFERGUSON Lewis HDirectorSSale−650$69.64−$45.3K−3.8%16.4K after
Aug 25, 2023 (view filing)Aug 241 dayKennedy Sheryl LynnDirectorSSale−550$68.85−$37.9K−6.1%8.45K after
Aug 14, 2023 (view filing)Aug 10-114 daysKapp David AllenVP & CHIEF TECHNICAL OFFICERSSale−9.00K$66.99−$602.9K−57.7%6.60K after2 lots
Jun 16, 2023 (view filing)Jun 142 daysBrooks Steven DDirectorSSale−4.20K$65.00−$273.1K−11.2%33.3K after
Jun 8, 2023 (view filing)Jun 8Same daySchaeffer DaveCHAIRMAN, CEO, AND PRESIDENTSSale−7.06K$62.44−$440.9K−0.1%4.95M after
Jun 8, 2023 (view filing)Jun 6-72 daysSchaeffer DaveCHAIRMAN, CEO, AND PRESIDENTSSale−67.9K$62.28−$4.23M−1.4%4.96M after2 lots
Jun 7, 2023 (view filing)Jun 61 dayKilmer Henry WVP OF IP ENGINEERINGSSale−2.40K$62.23−$149.4K−6.7%33.6K after
Jun 5, 2023 (view filing)Jun 5Same dayWeed Thaddeus GerardVICE PRESIDENT, CFOSSale−4.85K$62.28−$302.1K−7.7%58.4K after
Jun 2, 2023 (view filing)Jun 11 dayBubeck JamesCHIEF REVENUE OFFICERSSale−1.92K$61.07−$117.3K−4.5%40.5K after10b5-1
Jun 1, 2023 (view filing)May 302 daysKennedy Sheryl LynnDirectorSSale−1.10K$63.14−$69.5K−12.7%7.57K after
May 31, 2023 (view filing)May 301 dayFERGUSON Lewis HDirectorSSale−640$63.24−$40.5K−3.9%15.6K after
May 12, 2023 (view filing)May 111 dayBrooks Steven DDirectorSSale−3.80K$65.00−$246.9K−9.2%37.5K after
May 12, 2023 (view filing)May 102 daysSchaeffer DaveCHAIRMAN, CEO, AND PRESIDENTSSale−35.0K$65.38−$2.29M−0.7%5.02M after
May 10, 2023 (view filing)May 91 dayWeed Thaddeus GerardVICE PRESIDENT, CFOSSale−10.0K$64.96−$649.6K−13.7%63.3K after
May 4, 2023 (view filing)May 31 dayChang John B.VP & CHIEF LEGAL OFFICERSSale−5.00K$73.00−$365.0K−10.6%42.4K after2 lots10b5-1
Apr 18, 2023 (view filing)Apr 171 dayChang John B.VP & CHIEF LEGAL OFFICERSSale−500$70.00−$35.0K−1.0%47.4K after10b5-1
Mar 13, 2023 (view filing)Mar 13Same dayKennedy Sheryl LynnDirectorSSale−600$61.66−$37.0K−7.7%7.21K after
Mar 13, 2023 (view filing)Mar 13Same dayFERGUSON Lewis HDirectorSSale−990$61.50−$60.9K−6.3%14.8K after
Mar 8, 2023 (view filing)Mar 71 dayKilmer Henry WVP of IP EngineeringSSale−2.40K$63.51−$152.4K−6.3%36.0K after
Mar 6, 2023 (view filing)Mar 33 daysWeed Thaddeus GerardVP, CFO, TreasurerSSale−4.85K$64.30−$311.9K−6.2%73.3K after
Mar 3, 2023 (view filing)Mar 12 daysBubeck JamesChief Revenue OfficerSSale−1.92K$64.49−$123.8K−4.3%42.4K after
Feb 2, 2023 (view filing)Feb 11 dayChang John B.Chief Legal OfficerSSale−2.00K$70.00−$140.0K−4.0%47.9K after
Jan 27, 2023 (view filing)Jan 261 dayChang John B.Chief Legal OfficerSSale−500$68.00−$34.0K−1.0%49.9K after
Jan 18, 2023 (view filing)Jan 171 dayChang John B.Chief Legal OfficerSSale−1.00K$66.00−$66.0K−1.9%50.4K after
Jan 13, 2023 (view filing)Jan 121 dayChang John B.Chief Legal OfficerSSale−1.50K$64.00−$96.0K−2.8%51.4K after
Dec 9, 2022 (view filing)Dec 54 daysLateBubeck JamesChief Revenue OfficerSSale−1.92K$57.45−$110.3K−5.2%34.7K after
Dec 8, 2022 (view filing)Dec 62 daysKilmer Henry WVP of IP EngineeringSSale−4.80K$57.36−$275.3K−14.3%28.8K after
Dec 2, 2022 (view filing)Dec 11 dayBubeck JamesChief Revenue OfficerSSale−1.92K$58.15−$111.6K−5.0%36.7K after
Dec 2, 2022 (view filing)Dec 2Same dayWeed Thaddeus GerardVP, CFO TreasurerSSale−9.70K$56.51−$548.1K−16.6%48.7K after
Nov 29, 2022 (view filing)Nov 29Same dayFERGUSON Lewis HDirectorSSale−1.05K$57.50−$60.4K−7.0%14.0K after
Nov 28, 2022 (view filing)Nov 226 daysLateKapp David AllenVP & Chief Technical OfficerSSale−600$58.50−$35.1K−9.1%6.00K after
Nov 21, 2022 (view filing)Nov 21Same dayKennedy Sheryl LynnDirectorSSale−962$57.83−$55.6K−13.6%6.10K after
Nov 17, 2022 (view filing)Nov 161 dayKummer Raymond BCTO; VP Optical TransportSSale−4.80K$58.01−$278.4K−8.7%50.4K after
Nov 15, 2022 (view filing)Nov 96 daysLateMontagner MarcDirectorPPurchase+10.0K$54.88+$548.8K+16.3%71.2K after2 lots
Sep 13, 2022 (view filing)Sep 121 dayFERGUSON Lewis HDirectorSSale−940$55.13−$51.8K−6.5%13.5K after